Swift版身份证号码校验

Swift版身份证号码校验

extension NSString {
/*!
验证手机号是否合法

- returns: true/false
*/
func isValidateTelNumber() -> Bool {
return validate("^1(3[0-9]|4[57]|5[0-35-9]|8[0-9]|7[06-8])\\d{8}$")
}
/*!
验证身份证

- returns: true/false
*/
func chk18PaperId() -> Bool {
//判断位数
if self.length != 15 && self.length != 18 {
return false
}
var carid = self

var lSumQT = 0

//加权因子
let R = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]

//校验码
let sChecker: [Int8] = [49,48,88, 57, 56, 55, 54, 53, 52, 51, 50]

//将15位身份证号转换成18位
let mString = NSMutableString.init(string: self)

if self.length == 15 {
mString.insertString("19", atIndex: 6)
var p = 0
let pid = mString.UTF8String
for i in 0...16 {
p += (pid[i]-48) * R[i]
}
let o = p % 11
let stringContent = NSString(format: "%c", sChecker[o])
mString.insertString(stringContent as String, atIndex: mString.length)
carid = mString
}

//判断地区码
let sProvince = carid.substringToIndex(2)
if (!areaCodeAt(sProvince)) {
return false
}

//判断年月日是否有效
//年份
let strYear = Int(carid.substringWithRange(NSMakeRange(6, 4)))
//月份
let strMonth = Int(carid.substringWithRange(NSMakeRange(10, 2)))
//日
let strDay = Int(carid.substringWithRange(NSMakeRange(12, 2)))

let localZone = NSTimeZone.localTimeZone()

let dateFormatter = NSDateFormatter()
dateFormatter.dateStyle = .MediumStyle
dateFormatter.timeStyle = .NoStyle
dateFormatter.timeZone = localZone
dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
let date = dateFormatter.dateFromString("\(String(format: "%02d",strYear!))-\(String(format: "%02d",strMonth!))-\(String(format: "%02d",strDay!)) 12:01:01")

if date == nil {
return false
}

let paperId = carid.UTF8String
//检验长度
if 18 != carid.length {
return false
}
//校验数字
func isDigit(c: Int8) -> Bool {
return 0 <= c && c <= 9
}
for i in 0...18 {
if isDigit(paperId[i]) && !(88 == paperId[i] || 120 == paperId[i]) && 17 == i {
return false
}
}

//验证最末的校验码
for i in 0...16 {
lSumQT += (paperId[i]-48) * R[i]
}
if sChecker[lSumQT%11] != paperId[17] {
return false
}
return true
}
func areaCodeAt(code: String) -> Bool {
var dic: [String: String] = [:]
dic["11"] = "北京"
dic["12"] = "天津"
dic["13"] = "河北"
dic["14"] = "山西"
dic["15"] = "内蒙古"
dic["21"] = "辽宁"
dic["22"] = "吉林"
dic["23"] = "黑龙江"
dic["31"] = "上海"
dic["32"] = "江苏"
dic["33"] = "浙江"
dic["34"] = "安徽"
dic["35"] = "福建"
dic["36"] = "江西"
dic["37"] = "山东"
dic["41"] = "河南"
dic["42"] = "湖北"
dic["43"] = "湖南"
dic["44"] = "广东"
dic["45"] = "广西"
dic["46"] = "海南"
dic["50"] = "重庆"
dic["51"] = "四川"
dic["52"] = "贵州"
dic["53"] = "云南"
dic["54"] = "西藏"
dic["61"] = "陕西"
dic["62"] = "甘肃"
dic["63"] = "青海"
dic["64"] = "宁夏"
dic["65"] = "新疆"
dic["71"] = "台湾"
dic["81"] = "香港"
dic["82"] = "澳门"
dic["91"] = "国外"
if (dic[code] == nil) {
return false;
}
return true;
}
}